Someone who goes to bed early. Specifically before 4:20 AM. Also refers to someone who is burnt out after having the munchies and eating a lot of food.
"Dude I think I'm gunna be a preston tonight, I'm really tired and gotta go to bed."
"Wake the fuck up Preston!"
"Are you gunna be a Saturday night prest?"
"Wake the fuck up Preston!"
"Are you gunna be a Saturday night prest?"
by smoketreefatreef May 13, 2007